prove-sinA/1+cos A+1+cos A/sinA=2 cosecA
Answers
Answered by
2
Step-by-step explanation:
sinA/1+cosA + 1+cosA/sinA
sin²A + (1+cosA)² / (1+cosA)sinA
sin²A+1+cos²A+2cosA/(1+cosA)sinA
2+2cosA / (1+cosA)sinA
2(1+cosA)/(1+cosA)sinA
2/sinA = 2cosecA
Similar questions